.App {
  text-align: center;
  padding-top: 100px; 
  min-height: calc(100vh - 100px - 200px);
}

.App-logo {
  height: 40vmin;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .App-logo {
    animation: App-logo-spin infinite 20s linear;
  }
}

.App-header {
  background-color: #282c34;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 2vmin);
  color: white;
}

.App-link {
  color: #61dafb;
}

.homepage {
  min-height: 1000px;
}

@keyframes App-logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Footer Styles */
.app-footer {
  background-color: #1a2a3a;
  color: #a0aec0;
  padding: 40px 0 20px;
  margin-top: 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 30px;
}

.footer-link {
  color: #cbd5e0;
  text-decoration: none;
  padding: 5px 10px;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: #ffffff;
}

.footer-separator {
  display: inline-block;
  width: 1px;
  height: 14px;
  background-color: #4a5568;
  margin: auto 5px;
}

.footer-social {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  gap: 20px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-icon:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.social-icon.wechat {
  background-color: #07c160;
}

.social-icon.weibo {
  background-color: #e6162d;
}

.social-icon.qq {
  background-color: #12b7f5;
}

.footer-copyright {
  text-align: center;
  font-size: 12px;
  color: #718096;
  border-top: 1px solid #2d3748;
  padding-top: 20px;
}

.footer-contact {
  margin-top: 10px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .footer-separator {
    display: none;
  }

  .app-footer {
    padding: 30px 0 15px;
  }
  
  .App {
    padding-top: 120px; /* 在小屏幕上增加顶部内边距 */
  }
}